Alkali, Chalcogen, Nonmetal, Transitional, Dielectric loss tangent

• K-Na-Nb-O
• Bi-Na-O-Ti
• K-Li-Na-Nb-O-Sb
• Ba-Bi-Na-O-Ti
• K-Li-Na-Nb-O
• nonmetal
• transitional
• alkali
• chalcogen
• oxide
• tetragonal
• cubic
• orthorhombic
• trigonal
• monoclinic